10021565734 has 8 divisors (see below), whose sum is σ = 15517263168. Its totient is φ = 4849144680.

The previous prime is 10021565717. The next prime is 10021565737. The reversal of 10021565734 is 43756512001.

10021565734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10021565734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021565737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80819017 + ... + 80819140.

It is an arithmetic number, because the mean of its divisors is an integer number (1939657896).

Almost surely, 2^10021565734 is an apocalyptic number.

10021565734 is a deficient number, since it is larger than the sum of its proper divisors (5495697434).

10021565734 is a wasteful number, since it uses less digits than its factorization.

10021565734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161638190.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 10021565734 in words is "ten billion, twenty-one million, five hundred sixty-five thousand, seven hundred thirty-four".